pre amplifier A2500 pages

نسخه متنی

CHARGE SENSITIVE PREAMPLIFIER
A NEW STATE-OF-THE-ART
External FET allows matching to detector * FET can be cooted Օ Noise at room temperature =100 electrons RMS * Low power (19 mW typical)
The A250 is a hybrid state-ot-the-art Charge Sensii ire I-ikspu i fit'.- fur use i ■ ■ a wide range ol detectors with capaci lance Iroin < i -o severs! lrioi.sa ■'.);> coiaiad: teiestorsinc ride silicon, CrJTe and Hgli solid state detectors, proportional oouriorj. jri.-.iorniiHip'n:: '.iis's. piezoelectric devices, photodiodes, CCD's and others. To permit optimization for a wide range ol applications, the Inpul field effect transistor Is external to the package and user selcctab c :'iis Icsla:-; 1-, o'sscr-.tia: in ;.p- i;sMoris -.viioro :e;cotor and FET must Be cooled to reduce noise. In all applications il allows the FET to be matched to the particular detector capacitance, as well as to noise and stiaping requirements, in larger quantifies, the A250 may be special ordered with internal FET.
0 AHO issuer Ua; its »-.inbi/Jor <■■.> FTa'i-.: detso^rrv;
ononts configure the A250 as a charge amplifier; hi
Fast rise time (4ns at Op External FET (allows set Positive or negative sigr Pin selectable gain Small »»04 pin hybrid High reliability screenin!	APPLICATIONS Aerospace Nuclear physics Portable instrum
TYPICAL APPLICATION
COOUNG (OPTIONAL)
amptek iNC, 6 DE ANGELO DRIVE. BEDFORD. MA01730 U.S.A. TEL. (7&1) 275-2242 P.

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